net/mlx5: Use flow steering infrastructure for mlx5_en

Expose the new flow steering API and remove the old
one.

Few changes are required:

1. The Ethernet flow steering follows the existing implementation, but uses
the new steering API. The old flow steering implementation is removed.

2. Move the E-switch FDB management to use the new API.

3. When driver is loaded call to mlx5_init_fs which initialize
the flow steering tree structure, open namespaces for NIC receive
and for E-switch FDB.

4. Call to mlx5_cleanup_fs when the driver is unloaded.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 38 insertions, 0 deletions

diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index 16ae5233dc7b..bc7ad019afde 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -33,6 +33,7 @@
 #ifndef _MLX5_FS_
 #define _MLX5_FS_
 
+#include <linux/mlx5/driver.h>
 #include <linux/mlx5/mlx5_ifc.h>
 
 #define MLX5_FS_DEFAULT_FLOW_TAG 0x0
@@ -43,6 +44,9 @@ enum mlx5_flow_namespace_type {
 };
 
 struct mlx5_flow_table;
+struct mlx5_flow_group;
+struct mlx5_flow_rule;
+struct mlx5_flow_namespace;
 
 struct mlx5_flow_destination {
 	enum mlx5_flow_destination_type	type;
@@ -52,4 +56,38 @@ struct mlx5_flow_destination {
 		u32			vport_num;
 	};
 };
+
+struct mlx5_flow_namespace *
+mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
+			enum mlx5_flow_namespace_type type);
+
+struct mlx5_flow_table *
+mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
+		       int prio,
+		       int num_flow_table_entries);
+int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
+
+/* inbox should be set with the following values:
+ * start_flow_index
+ * end_flow_index
+ * match_criteria_enable
+ * match_criteria
+ */
+struct mlx5_flow_group *
+mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
+void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
+
+/* Single destination per rule.
+ * Group ID is implied by the match criteria.
+ */
+struct mlx5_flow_rule *
+mlx5_add_flow_rule(struct mlx5_flow_table *ft,
+		   u8 match_criteria_enable,
+		   u32 *match_criteria,
+		   u32 *match_value,
+		   u32 action,
+		   u32 flow_tag,
+		   struct mlx5_flow_destination *dest);
+void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);
+
 #endif